package com.dx.messageboard.common;

/*import org.codehaus.jackson.annotate.JsonIgnore;
import org.codehaus.jackson.map.annotate.JsonSerialize;*/

import java.io.Serializable;

/**
 * 公用返回类
 * Create by zhoushiyu
 * @param <T>
 */
//@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
//保证序列化json的时候，如果是null的对象，key也会消失
public class ServerResponse<T> implements Serializable {
    private int status;
    private String msg;
    private T data;

    private ServerResponse(int status) {
        this.status = status;
    }
    private ServerResponse(int status, T data) {
        this.status = status;
        this.data = data;
    }
    private ServerResponse(int status, String msg, T data) {
        this.status = status;
        this.msg = msg;
        this.data = data;
    }
    private ServerResponse(int status, String msg) {
        this.status = status;
        this.msg = msg;
    }
    //@JsonIgnore
    //使之不在json序列化结果当中
    public boolean isSuccess() {
        return this.status == ResponseCode.SUCCESS.getCode();
    }

    public int getStatus() {
        return status;
    }

    public T getData() {
        return  data;
    }

    public String getMsg() {
        return msg;
    }

    public static <T> ServerResponse<T> createBySuccess() {
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode());
    }

    public static <T> ServerResponse<T> createBySuccessMessage(String msg) {
        return  new ServerResponse<T>(ResponseCode.SUCCESS.getCode(), msg);
    }

    public static <T> ServerResponse<T> createBySuccess(T data) {
        return  new ServerResponse<T>(ResponseCode.SUCCESS.getCode(), data);
    }

    public static <T> ServerResponse<T> createBySuccess(String msg, T data) {
        return  new ServerResponse<T>(ResponseCode.SUCCESS.getCode(), msg, data);
    }

    public static <T> ServerResponse<T> createByError() {
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(),ResponseCode.ERROR.getDesc());
    }

    public static <T> ServerResponse<T> createByErrorMessage(String errorMessage) {
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(),errorMessage);
    }

    public static <T> ServerResponse<T> createByErrorCodeMessage(int errorCode, String errorMessage){
        return new ServerResponse<T>(errorCode, errorMessage);
    }

}
